Afghans hold large, expensive weddings, even those involving families of modest means. More than 600 people attended this recent marriage at a large wedding hall in Kabul. Sean Carberry/NPR hide caption

itoggle caption Sean Carberry/NPR

Afghan President Hamid Karzai addresses the Loya Jirga on Sunday. Karzai expressed anger at an airstrike Thursday that killed a child, saying it could imperil a security agreement with the U.S. The U.S.-led international force apologized on Friday for the killing. Massoud Hossaini/AFP/Getty Images hide caption

itoggle caption Massoud Hossaini/AFP/Getty Images

A helicopter from the American security contractor DynCorp provides air support as members of an Afghan eradication force plow opium poppies on April 3, 2006, in the Helmand province, Afghanistan. John Moore/Getty Images hide caption

itoggle caption John Moore/Getty Images

Afghan President Hamid Karzai attends the Loya Jirga, or grand assembly, in Kabul on Sunday. The assembly approved a deal that would allow the U.S. to keep troops in Afghanistan beyond 2014. But Karzai has not yet agreed to sign the deal. Rahmat Gul/AP hide caption

itoggle caption Rahmat Gul/AP

Afghan President Hamid Karzai attends the Loya Jirga in Kabul on Sunday. Rahmat Gul/AP hide caption

itoggle caption Rahmat Gul/AP

Afghan delegates to the Loya Jirga, or grand assembly, listen to Afghan President Hamid Karzai on Thursday. Some 2,500 elders and community leaders have gathered in Kabul to discuss a U.S.-Afghan security agreement that would define the role of U.S. troops after the combat mission ends next year. S. Sabawoon/EPA/Landov hide caption

itoggle caption S. Sabawoon/EPA/Landov

A member of the Afghan Loya Jirga listens as the more than 2,000 elders begin debating a proposed U.S.-Afghan security pact on Thursday in Kabul. Massoud Hossaini /AFP/Getty Images hide caption

itoggle caption Massoud Hossaini /AFP/Getty Images